/*
 * Copyright 2008-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.broadleafcommerce.common.util.sql;

import org.hibernate.util.StringHelper;

/**
 * This is a re-worked version from Hibernate core
 * 
 * @author jfischer
 *
 */
public class MySQLInnoDBDialect extends org.hibernate.dialect.MySQLInnoDBDialect{

	@Override
	public String getAddForeignKeyConstraintString(
			String constraintName, 
			String[] foreignKey, 
			String referencedTable, 
			String[] primaryKey, boolean referencesPrimaryKey
	) {
		String cols = StringHelper.join(", ", foreignKey);
		return new StringBuffer(30)
			.append(" add constraint ")
			.append(constraintName)
			.append(" foreign key (")
			.append(cols)
			.append(") references ")
			.append(referencedTable)
			.append(" (")
			.append( StringHelper.join(", ", primaryKey) )
			.append(')')
			.toString();
	}
}
